ee369bea8c75728f8d76b70e303b461aa276622edbcbdf7abbff0c6f7cbf13f1

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 11:31

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General

Target

fcac538414472fce973005b827db8952_JaffaCakes118.exe
Size

93KB
MD5

fcac538414472fce973005b827db8952
SHA1

e15372c41f6c858864d29bfef6df0878c663b06d
SHA256

ee369bea8c75728f8d76b70e303b461aa276622edbcbdf7abbff0c6f7cbf13f1
SHA512

3252aeddf1b860af5aad958223fe82d2b1457f78360ebcd2207218d9445d806f0543dc9f994ae9065a64f0da5fb5023281e27c170d189b5803b041ea515cbb4b
SSDEEP

1536:SKcR4mjD9r823FbWVFcNE7A2meC4aM7M8MUmXrwRmWAfto:SKcWmjRrz3tWVFJkeC4HTYkRhEK

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1264	bCiVBhnOxwoO3Sq.exe
4800	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4296-0-0x00000000005D0000-0x00000000005E7000-memory.dmp	upx
behavioral2/memory/4296-6-0x00000000005D0000-0x00000000005E7000-memory.dmp	upx
behavioral2/files/0x000800000002326d-9.dat	upx
behavioral2/memory/4800-10-0x0000000000AC0000-0x0000000000AD7000-memory.dmp	upx
behavioral2/files/0x000600000002294c-13.dat	upx
behavioral2/memory/4800-32-0x0000000000AC0000-0x0000000000AD7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	fcac538414472fce973005b827db8952_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	fcac538414472fce973005b827db8952_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe
Token: SeDebugPrivilege	4800	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1264	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe	84
PID 4296 wrote to memory of 1264	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe	84
PID 4296 wrote to memory of 1264	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe	84
PID 4296 wrote to memory of 4800	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe	85
PID 4296 wrote to memory of 4800	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe	85
PID 4296 wrote to memory of 4800	4296	fcac538414472fce973005b827db8952_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\fcac538414472fce973005b827db8952_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcac538414472fce973005b827db8952_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Users\Admin\AppData\Local\Temp\bCiVBhnOxwoO3Sq.exe
  C:\Users\Admin\AppData\Local\Temp\bCiVBhnOxwoO3Sq.exe
  2⤵
  - Executes dropped EXE
  PID:1264
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
351KB

MD5
b0afd85817051255d7c910df33ba5174

SHA1
bbe1f49b95551f8afe3cc9dec0cb6e49ab032c6f

SHA256
ebde5cd069bdb39656934b88219b8615bbb716f6dcc4a939ab62c484afab8d43

SHA512
7a9c72e88b5b9c8dcae340071a185590297c28f68dd116c2b5ae38be8b6ed7a0a1e476251a5ac2d27cdcef8ecf1c159514bd37e79e17df3c161906b04721a57d

Download Submit
C:\Users\Admin\AppData\Local\Temp\bCiVBhnOxwoO3Sq.exe

Filesize
64KB

MD5
e97c622b03fb2a2598bf019fbbe29f2c

SHA1
32698bd1d3a0ff6cf441770d1b2b816285068d19

SHA256
5c1af46c7300e87a73dacf6cf41ce397e3f05df6bd9c7e227b4ac59f85769160

SHA512
db70c62fb35a8e5b005f13b57c1ebbf6c465f6ff0524422294c43e27fb4aa79379dc1e300ad11dc2354405c43b192ae06b91c0f525a1f2617e4d14673651a87d

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/4296-0-0x00000000005D0000-0x00000000005E7000-memory.dmp

Filesize
92KB

Download
memory/4296-6-0x00000000005D0000-0x00000000005E7000-memory.dmp

Filesize
92KB

Download
memory/4800-10-0x0000000000AC0000-0x0000000000AD7000-memory.dmp

Filesize
92KB

Download
memory/4800-32-0x0000000000AC0000-0x0000000000AD7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads